Terex Evoquip Bison 120, Operation Manual, Page: 187 / 224

Troubleshooting 10
Operations Manual
Bison 120
20-07-2018
Page 10-13
Revision 2.0
Problem Possible Cause Procedure
Engine output is
deficient
Engine shut off lever still in stop
position
Check
Oil level too high Check
Air cleaner clogged /
turbocharger
Check / Replace
CPD defective (connection line
leaks)
Have the engine manufacturer
check
Charge airline leaking
Check / have engine
manufacturer replace as
necessary
Intercooler soiled Check / Clean
Cooling air temperature rise /
heating short circuits
Have the engine manufacturer
check
Incorrect valve clearance
Have the engine manufacturer
check
Fuel injection line leaks
Check / have the engine
manufacturer repair as necessary
Fuel injector defective
Check / have the engine
manufacturer repair as necessary
Air in the fuel system Check / Replace
Fuel filter / fuel pre- cleaner
soiled
Check
Fuel quality not as per operation
manual
Check / Clean
Engine oil pressure is
non- existent or very
low
Oil level too low Top up
Excessive engine wear
Have the engine manufacturer
check for excessive crankcase
blow by at the engine breather
Incorrect engine lube Check / Replace
Engine oil
consumption is
excessive
Oil level too high Check
Excessive engine wear
Have the engine manufacturer
check for excessive crankcase
blow by at the engine breather
Turbo charger seal
Check the turbo for oil leaks,
have the engine manufacturer
repair as necessary
Oil leaks
Check the engine for oil leaks,
have the engine manufacturer
repair as necessary
Engine smoke blue
Oil level too high Check
Excessive engine wear
Have the engine manufacturer
check for excessive crankcase
blow by at the engine breather